Footwear sole



FIG. 1 is a bottom perspective view of a footwear sole showing our new design;

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines showing the footwear upper features are for the purpose of illustrating environmental structure and form no part of the claimed design. The broken lines at the toe of the sole in FIGS. 1, 4, 6 and 7 are for the purpose of illustrating boundaries of the claimed design and form no part of the claimed design. The broken lines immediately adjacent to the solid lines in FIGS. 2, 3, 5, & 7 also represent the unclaimed boundaries of the design with the lines themselves forming no part of the claim. 

The ornamental design for a footwear sole, as shown and described. 